/* Wikiveilleurs — feuille de style
   Palette : calcaire du Verdon, encre d'archive, vert-de-gris. */

:root {
  --calcaire:     #f7f6f2;  /* fond, pierre claire */
  --calcaire-mat: #eceae3;  /* aplats secondaires */
  --encre:        #23303c;  /* texte principal */
  --encre-pale:   #5d6b78;  /* texte secondaire */
  --vert-de-gris: #4a6f66;  /* accent, liens */
  --trait:        #d5d2c8;  /* filets */

  --serif:  Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans:   system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --mesure: 40rem;   /* largeur de lecture */
  --marge:  1.5rem;
}

/* ---------- Réinitialisation légère ---------- */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--calcaire);
  color: var(--encre);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; }

.wrap {
  max-width: var(--mesure);
  margin-inline: auto;
  padding-inline: var(--marge);
}

/* ---------- Accessibilité ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: var(--marge);
  top: var(--marge);
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--encre);
  color: var(--calcaire);
}

:focus-visible {
  outline: 2px solid var(--vert-de-gris);
  outline-offset: 3px;
}

/* ---------- Liens ---------- */

a {
  color: var(--vert-de-gris);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
a:hover { color: var(--encre); }

/* ---------- En-tête ---------- */

.site-header {
  border-bottom: 1px solid var(--trait);
  padding-block: 1.25rem;
}

.site-title {
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--encre-pale);
  text-decoration: none;
}
.site-title:hover { color: var(--encre); }

/* ---------- Titres ---------- */

h1 {
  font-size: 2.25rem;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 1.5rem;
}

h2 {
  font-size: 1.375rem;
  font-weight: 400;
  margin: 0;
}

h3 {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--encre-pale);
  margin: 2.25rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--trait);
}

p { margin: 0 0 1.15rem; }

.intro { padding-bottom: 1rem; }

/* ---------- Sections dépliables (sans JavaScript) ---------- */

.section {
  border-top: 1px solid var(--trait);
  padding-block: 1.5rem;
}

.section summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.section summary::-webkit-details-marker { display: none; }

/* Chevron dessiné en CSS, pivoté à l'ouverture */
.section summary::before {
  content: "";
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid var(--encre-pale);
  border-bottom: 1.5px solid var(--encre-pale);
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
}
.section[open] summary::before { transform: rotate(45deg); }

.section summary:hover h2 { color: var(--vert-de-gris); }

.section-body { padding-top: 1.25rem; }

/* ---------- Le billet polonais : pièce maîtresse ---------- */

.billet {
  margin: 1.75rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--calcaire-mat);
  border-left: 3px solid var(--vert-de-gris);
}
.billet p {
  margin: 0;
  font-size: 1.1875rem;
  font-style: italic;
  line-height: 1.5;
}

/* ---------- Figures ---------- */

figure {
  margin: 2rem 0;
}
figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--trait);
}
figcaption {
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--encre-pale);
  margin-top: 0.6rem;
}

cite { font-style: italic; }

/* ---------- Listes ---------- */

ul { margin: 0 0 1.15rem; padding-left: 1.25rem; }
li { margin-bottom: 0.45rem; }

.index {
  list-style: none;
  padding-left: 0;
}
.index li {
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--trait);
  margin: 0;
}

/* Les longs index passent sur deux colonnes quand la place le permet */
.index-dense {
  columns: 2;
  column-gap: 2rem;
}
.index-dense li { break-inside: avoid; }

@media (max-width: 34rem) {
  .index-dense { columns: 1; }
}

/* ---------- Divers ---------- */

.courriel {
  font-family: var(--sans);
  font-size: 0.9375rem;
  background: var(--calcaire-mat);
  padding: 0.1rem 0.35rem;
  white-space: nowrap;
}

.carte { margin: 0; }

/* ---------- Pied de page ---------- */

.site-footer {
  border-top: 1px solid var(--trait);
  margin-top: 3rem;
  padding-block: 1.5rem 3rem;
}
.site-footer p {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--encre-pale);
}

/* ---------- Préférences système ---------- */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

@media print {
  .site-header, .site-footer, .skip-link { display: none; }
  .section-body { display: block !important; }
  body { background: #fff; font-size: 11pt; }
}